wotc
Because targets are chosen for activated abilities before costs (such as "Sacrifice an artifact") are paid, Goblin Engineer's second ability can't target the artifact that will be sacrificed to pay its cost.
Because targets are chosen for activated abilities before costs (such as "Sacrifice an artifact") are paid, Goblin Engineer's second ability can't target the artifact that will be sacrificed to pay its cost.
If a card in a player's graveyard has {X} in its mana cost, X is considered to be 0.
Magic: The Gathering · ™ & © Wizards of the Coast · Illus. Deathburger
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